NIUNIU Solid brass body and stem. Thread Size G 1/2" BSP. Bottom rubber O-ring with threaded ring. Turn on the tap clockwise (blue) and counterclockwise (red). The 20 teeth on the spline (top of the stem) are for the handle, the stem is drilled with M4 threaded holes. Suitable for faucets in bathrooms, kitchens and other basins. Both cold and hot water are suitable. Solid brass body and stem. Specification: Material: Brass, Ceramic Spline diameter: 7.6mm Teeth on splines: 20 teeth Thread size: G1/2 (1/2" 20.5mm) Threaded collar: with threaded collar Dimensions: 51mm x 18mm (please check the picture for detailed dimensions) The package includes: 1 x Replacement Faucet Valve (Clockwise) 1 replacement tap valve (counterclockwise) Kind tips: 1. Package content: only the above package content, excluding other products. 2. The size is measured by hand, please allow 1-2 cm measurement error. 3. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown in the picture.